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Thread: QWT_How to draw a special label to an axis

  1. #1
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    Default QWT_How to draw a special label to an axis

    Hallo,

    i am new to qwt. I want to draw a special scale for an axis.
    For example, y_new=log(log(y));
    By using setAxisScaleDiv(QwtPlot::yLeft,scdiv ); i have set the scale as i wish,
    but in the plot i still want to show y instead of y_new as label. Could someone give me some suggestions? Thanks a lot.

  2. #2
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    Default Re: QWT_How to draw a special label to an axis

    Guess what you really want to do is to set up a special transformation, see:


    • QwtScaleEngine::setTransformation()
    • QwtPlot::setAxisScaleEngine()


    But if your question is really only about how to modify the tick label on the axis:


    • QwtAbstractScaleDraw::label()
    • QwtPlot::setAxisScaleDraw()


    HTH,
    Uwe

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